Alert archive / Kansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 141, NWS Topeka, KS

August 15, 2013Clay County, Dickinson County, Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 15, 2013, 3:32 PM CDT for Clay County, Dickinson County, Ottawa County, Kansas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 15, 2013, 3:32 PM CDT (20:32 UTC)
Expired: Aug 15, 2013, 4:15 PM CDT
In force: 43 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, KS, Dickinson County, KS, Ottawa County, KS

The radar

The Topeka radar (KTWX), 95 km from the middle of the area, began a volume at 20:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 8.5 hours before the alert went out and 146 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1378 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 1:14 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, Aug 15, 1:14 PM CDT, 2 hours 18 minutes before

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Hazardous weather outlook, Aug 15, 4:51 AM CDT, 10 hours 41 minutes before

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In the hours before

Special weather statement, Aug 15, 2:27 PM CDT, 1 hour 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
227 PM CDT THU AUG 15 2013

KSZ020-021-152000-
CLAY-CLOUD-
227 PM CDT THU AUG 15 2013

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CLAY AND SOUTHEASTERN
CLOUD COUNTIES...

THROUGH 300 PM CDT...A STRONG THUNDERSTORM WILL MOVE EAST AT 25 MPH
ACROSS PORTIONS OF WESTERN CLAY AND SOUTHEASTERN CLOUD COUNTIES.
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THIS STORM IS
CAPABLE OF PRODUCING PENNY SIZE HAIL AND STRONG WINDS OF 40 TO 50
MPH. SOME LOCATIONS THAT COULD BE AFFECTED INCLUDE OAK HILL...IDANA
AND MORGANVILLE.

STAY ALERT TO THE WEATHER IN CASE A WARNING IS ISSUED.

&&

LAT...LON 3954 9755 3950 9717 3920 9726 3925 9737
      3931 9737 3931 9748 3939 9764
TIME...MOT...LOC 1927Z 281DEG 20KT 3939 9744

GARGAN

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 15, 2:27 PM CDT	Special Weather Statement	TOP	Clay	33 min
Aug 15, 3:40 PM CDT	Special Weather Statement	TOP	Riley	35 min
Aug 15, 3:58 PM CDT	Special Weather Statement	TOP	Riley	32 min
Aug 15, 4:12 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Ottawa	48 min
Aug 15, 4:28 PM CDT	Special Weather Statement	TOP	Geary	32 min
Aug 15, 4:58 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	47 min
Aug 15, 5:02 PM CDT	Flash Flood Warning	TOP	Dickinson, Geary, Riley	4 hr
Aug 15, 5:04 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	41 min
Aug 15, 5:23 PM CDT	Severe Thunderstorm Warning	TOP	Morris	37 min
Aug 15, 5:30 PM CDT	Flash Flood Warning	TOP	Dickinson, Geary	4 hr
Aug 15, 5:43 PM CDT	Severe Thunderstorm Warning	TOP	Morris	32 min
Aug 15, 6:00 PM CDT	Flash Flood Warning	TOP	Dickinson, Morris	4 hr
Aug 15, 6:41 PM CDT	Special Weather Statement	TOP	Lyon	34 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2013 Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.